Alert archive / Missouri / Flash Flood Warnings in 2005

Flash Flood Warning 69, NWS Springfield, MO

August 20, 2005Howell County, Ozark County, Missouri

NWS Springfield, MO issued this flash flood warning at Aug 20, 2005, 4:22 PM CDT for Howell County, Ozark County, Missouri. It was in force for 6 hr. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 20, 2005, 4:22 PM CDT (21:22 UTC)
Expired
Aug 20, 2005, 10:15 PM CDT
In force
6 hr
Issued by
NWS Springfield, MO
Area
Counties, with a storm outline in the text

Counties Howell County, MO, Ozark County, MO

The radar

The Springfield radar (KSGF), 133 km from the middle of the area, began a volume at 21:22 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Aug 20, 5:30 PM CDTFLASH FLOOD2 Ne Bakersfield, MOWATER OVER THE ROAD ON HIGHWAY 101. ROAD NOT CLOSED.
Aug 20, 5:30 PM CDTFLASH FLOOD2 Ne Bakersfield, MOWATER OVER THE ROAD ON HIGHWAY 101. ROAD NOT CLOSED.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 9.4 hours before the alert went out and 153 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Springfield, MO at 12:00Z on 2005-08-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 434 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 2005-08-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -60 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
434 J/kg
Mixed-layer CIN
-331 J/kg
Mixed-layer LCL
1497 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
-60 m²/s²
0-3 km storm-relative helicity
-29 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS53 KSGF 202126
FFWSGF
MOC091-153-210315-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
422 PM CDT SAT AUG 20 2005

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  HOWELL COUNTY IN SOUTH CENTRAL MISSOURI.
  OZARK COUNTY IN SOUTHWEST MISSOURI.

* UNTIL 1015 PM CDT.

* AT 417 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.     
  DOPPLER RADAR ESTIMATED ONE AND ONE HALF TO TWO AND A HALF INCHES  
  OF RAIN IN THE WARNING AREA.

* SLOW MOVING THUNDERSTORMS ARE PRODUCING TORRENTIAL RAINFALL IN THE
  WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH
  FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING    
  INCLUDE...BAKERSFIELD AND CAULFIELD. ADDITIONAL STORMS OVER        
  ARKANSAS WILL MOVE THROUGH THE AREA THROUGH 530 PM PRODUCING       
  UP TO ANOTHER TWO INCHES OF RAIN IN PORTIONS OF THE WARNING AREA.


EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

LAT...LON 3675 9205 3650 9203 3650 9225 3661 9222

$$

DSA
3 follow-up statements
000 
WGUS73 KSGF 202211
FFSSGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
509 PM CDT SAT AUG 20 2005

MOC091-153-210315-
HOWELL MO-OZARK MO-
509 PM CDT SAT AUG 20 2005

...FLASH FLOOD WARNING CONTINUES FOR HOWELL AND OZARK COUNTIES UNTIL
1015 PM CDT...

AT 457 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. 
DOPPLER RADAR ESTIMATED THREE TO SIX INCHES OF RAIN IN THE 
BAKERSFIELD AREA ALONG THE OZARK AND HOWELL COUNTY LINE SINCE 2 PM. 

AN ADDITIONAL INCH OF RAIN WILL BE POSSIBLE OVER THE WARNING AREA 
THROUGH 600 PM. THIS WILL CAUSE LOCALIZED... BUT POTENTIALLY 
SEVERE...FLASH FLOODING TO OCCUR IN AREAS FROM UDALL TO BAKERSFIELD. 

SLOW MOVING THUNDERSTORMS ARE PRODUCING VERY HEAVY RAINFALL IN THE
WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH
FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING 
INCLUDE...BAKERSFIELD...UDALL...AND CAULFIELD.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS 
BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS THE ROADWAY. 
NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO 
ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.


LAT...LON 3675 9205 3650 9203 3650 9225 3661 9222

$$

DSA
000 
WGUS73 KSGF 210103
FFSSGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
800 PM CDT SAT AUG 20 2005

MOC091-153-210315-
HOWELL MO-OZARK MO-
800 PM CDT SAT AUG 20 2005

...FLASH FLOOD WARNING CONTINUES FOR SOUTHWEST HOWELL AND SOUTHEAST 
OZARK COUNTIES UNTIL 1015 PM CDT...

AT 750 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT MINOR 
FLOODING WAS OCCURRING IN SOUTHEAST OZARK COUNTY ALONG PORTIONS OF 
HIGHWAY 101 BETWEEN BAKERSFIELD AND CAULFIELD. 

ALTHOUGH THE HEAVY RAIN HAD ENDED...EXCESSIVE RUNOFF WILL CONTINUE 
TO CAUSE FLOODING ON SMALL STREAMS AND CREEKS...COUNTRY ROADS...AND 
LOW WATER CROSSINGS IN SOUTHEAST OZARK AND SOUTHWEST HOWELL 
COUNTIES.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF FLOODING. 

BECAUSE OF THE HILLY TERRAIN OF THE OZARKS...THERE ARE HUNDREDS OF
LOW WATER CROSSINGS WHICH ARE POTENTIALLY DANGEROUS IN HEAVY RAIN. DO
NOT ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES. IT
ONLY TAKES A FEW INCHES OF SWIFTLY FLOWING WATER TO CARRY VEHICLES
AWAY.

LAT...LON 3675 9205 3650 9203 3650 9225 3661 9222

$$

FOSTER
000 
WGUS73 KSGF 210315
FFSSGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1015 PM CDT SAT AUG 20 2005

MOC091-153-210325-
HOWELL MO-OZARK MO-
1015 PM CDT SAT AUG 20 2005

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR SOUTHWEST HOWELL 
AND SOUTHEAST OZARK COUNTIES HAS BEEN ALLOWED TO EXPIRE...

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.


LAT...LON 3675 9205 3650 9203 3650 9225 3661 9222

$$

FOSTER

The office that day

Everything else NWS Springfield, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 20, 2:56 AM CDTHeat AdvisorySGFOregon, Shannon13 hr
Aug 20, 1:02 PM CDTSevere Thunderstorm WarningSGFMcDonald38 min
Aug 20, 2:39 PM CDTSevere Thunderstorm WarningSGFStone, Taney49 min
Aug 20, 3:42 PM CDTSevere Thunderstorm WarningSGFTaney24 min
Aug 20, 3:44 PM CDTSevere Thunderstorm WarningSGFDouglas46 min
Aug 20, 5:36 PM CDTSevere Thunderstorm WarningSGFWright47 min

Nearby

Flash Flood Warnings in Missouri, 2005Every flash flood warning in 2005

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.